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    <title>作业16</title>
    <script>
        /*
        16.  数组去重；

    ```js

    [1,1,1,2,2,3,4,5,6,3,4,2,4,1,] ---> [1,2,3,4,5,6]

    ```
        */

        var arr = [1,1,1,2,2,3,4,5,6,3,4,2,4,1,];
        arr.sort();

        for(var i=0; i<arr.length-1; i++) {
            if(arr[i] == arr[i+1]) {
                arr.splice(i, 1);
                i--;
            }
        }

        console.log(arr);

    </script>
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